Media Komunikasi Teknik Sipil最新文献_第2页

Local Inflow Analysis of Jatiluhur Reservoir Using HEC-HMS 应用HEC-HMS分析贾提鲁呼水库局部涌水量

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.47912

Dedi Novrizal, F. Hermawan, M. Wibowo, Ifan Azwar Nasution

{"title":"Local Inflow Analysis of Jatiluhur Reservoir Using HEC-HMS","authors":"Dedi Novrizal, F. Hermawan, M. Wibowo, Ifan Azwar Nasution","doi":"10.14710/mkts.v28i2.47912","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.47912","url":null,"abstract":"Inflow in Jatiluhur Reservoir located on the Citarum River is influenced by outflow from Cirata Reservoir and Saguling Reservoir which are above it. These three reservoirs are incorporated in the Citarum Cascade System Reservoir. This inflow analysis is related to the availability of water in the Jatiluhur Reservoir, which is a multi-purpose reservoir, which then becomes the mainstay of the water supply as a hydropower operation pattern. Runoff rain modeling using HEC-HMS software using data on rainfall, temperature, land cover, soil type and topography. Parameters generated from observation and modeling are coefficient of determination (R2), Nash-Stuclift (NSE), and Percent Bias (PBIAS). The results of the case study show that the parameters of the observed local inflow (R2: 0.693; NSE: 0.525; PBIAS: 9.88%) with data sources from the Jatiluhur Reservoir manager are better than the local inflow analysis results (R2: 0.533; NSE: - 0.457; PBIAS: 48.88%) with data sources from water level (TMA). Meanwhile, the total inflow of observations (R2: 0.982; NSE: 0.973; PBIAS: 1.14%) with data sources from the Jatiluhur Reservoir manager is better than the total inflow analysis results (R2: 0.932; NSE: 0.889; PBIAS: 9.43 %) with the data source from the water level (TMA).","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46057888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Utilization of Coconut Shell Ash Waste and Hydraulic Lime as Cement Substitution Materials in Paving Blocks 椰壳灰渣和水工石灰在铺装材料中水泥替代材料的应用

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.36136

Anita Intan Nura Diana, N. Zainah

{"title":"Utilization of Coconut Shell Ash Waste and Hydraulic Lime as Cement Substitution Materials in Paving Blocks","authors":"Anita Intan Nura Diana, N. Zainah","doi":"10.14710/mkts.v28i2.36136","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.36136","url":null,"abstract":"Sumenep has a large amount of coconut shell ash waste from the briquette industry and a considerable potential for producing limestone (hydraulic lime). The development of road transportation infrastructure as a regional development in Indonesia using paving blocks has resulted in increased demand for cement. Utilization of waste and the potential of local materials must be endeavored by users, both of which have the same content as cement. The research method used an experimental method by replacing the cement with coconut shell ash waste and hydraulic lime, each of 0%, 5%, 10%, 15%, 20%. data analysis techniques using multiple linear regression method with the help of SPSS software. The results of the study with the help of SPSS software showed that the addition of variations in coconut shell ash waste and hydraulic lime did not have a simultaneous effect on the compressive strength and absorption of water. Laboratory research results show a maximum compressive strength of 18.616 Mpa and an average water absorption of 10.751% with the addition of each variation of 5% coconut shell ash waste and hydraulic lime, based on SNI -03-0691-1996 compressive strength including quality classification B, while absorption does not meet the requirements for absorption quality classification.","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41781420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Effect of Peat Water Soaking on The Durability of AC-WC 泥炭水浸泡对AC-WC耐久性的影响

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.42945

Amal Risky Harahap, S. Wiyono, E. Elizar, A. Puri

引用次数: 0

Simulation of the rise in pore water pressure due to embankment load during the construction phase of the levee 堤防施工阶段路堤荷载引起的孔隙水压力上升的模拟

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.42215

T. C. Upomo, Dian Eka Aryanti, R. Kusumawardani

{"title":"Simulation of the rise in pore water pressure due to embankment load during the construction phase of the levee","authors":"T. C. Upomo, Dian Eka Aryanti, R. Kusumawardani","doi":"10.14710/mkts.v28i2.42215","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.42215","url":null,"abstract":"Inflow in Jatiluhur Reservoir located on the Citarum River is influenced by outflow from Cirata Reservoir and Saguling Reservoir which are above it. These three reservoirs are incorporated in the Citarum Cascade System Reservoir. This inflow analysis is related to the availability of water in the Jatiluhur Reservoir, which is a multi-purpose reservoir, which then becomes the mainstay of the water supply as a hydropower operation pattern. Runoff rain modeling using HEC-HMS software using data on rainfall, temperature, land cover, soil type and topography. Parameters generated from observation and modeling are coefficient of determination (R2), Nash-Stuclift (NSE), and Percent Bias (PBIAS). The results of the case study show that the parameters of the observed local inflow (R2: 0.693; NSE: 0.525; PBIAS: 9.88%) with data sources from the Jatiluhur Reservoir manager are better than the local inflow analysis results (R2: 0.533; NSE: - 0.457; PBIAS: 48.88%) with data sources from water level (TMA). Meanwhile, the total inflow of observations (R2: 0.982; NSE: 0.973; PBIAS: 1.14%) with data sources from the Jatiluhur Reservoir manager is better than the total inflow analysis results (R2: 0.932; NSE: 0.889; PBIAS: 9.43 %) with the data source from the water level (TMA).","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46879796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Durability of Geopolymer Mortar and Portland Pozzolan Cement (PPC) Mortar against Sulfuric Acid 地质聚合物砂浆和波特兰火山灰水泥（PPC）砂浆抗硫酸的耐久性

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.46324

Ilham Nurhuda, S.T., M.T., Ph.D., Y. A. Priastiwi, N. Nuroji, Variandi Ardidawa, Chazaidhan AlFahd Nizami

{"title":"Durability of Geopolymer Mortar and Portland Pozzolan Cement (PPC) Mortar against Sulfuric Acid","authors":"Ilham Nurhuda, S.T., M.T., Ph.D., Y. A. Priastiwi, N. Nuroji, Variandi Ardidawa, Chazaidhan AlFahd Nizami","doi":"10.14710/mkts.v28i2.46324","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.46324","url":null,"abstract":"The manufacture of cement is often criticized to produce high CO2 emission to environment. Reducing cement in construction is believed to be the solution for better environment. Portland pozzolan cement (PPC) is known as a more environmentally friendly cement which substitutes some portion of cement clinkers with pozzolanic materials such as fly ash. Another material which is considered as green material is Geopolymer. The purpose of this study is to investigate the durability of mortars made of PPC and geopolymer in the corrosive environment. The geopolymer mortar was made of fly ash with 25% white soil substitution, and also 8M NaOH and Na2SiO3 as activators. The corrosive condition was simulated by Sulfuric Acid solution (H2SO4) with a pH of 4. The durability of the two types of mortar was investigated by testing their compressive strength, direct tensile strength, porosity, density and the changes of mass and physical shapes after immersion. The results show that the immersion of the mortars in a solution of pH 4 sulfuric acid does not make any major effects on the performance of the PPC mortar. However, the performance of geopolymer mortar with 25% white soil substitution decreases after being immersed in sulfuric acid solution.","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49412231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Estimation of Passenger Car Equivalent Value for Unsignalized Intersections in Yogyakarta 日惹无信号交叉口客车当量值的估算

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.34977

Ratnasari Ramlan, A. Munawar, M. Z. Irawan

{"title":"Estimation of Passenger Car Equivalent Value for Unsignalized Intersections in Yogyakarta","authors":"Ratnasari Ramlan, A. Munawar, M. Z. Irawan","doi":"10.14710/mkts.v28i2.34977","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.34977","url":null,"abstract":"Passenger Car Equivalent (PCE) is expected to be very accurate because it is very important in determining the capacity, degree of saturation, and handling of unsignalized intersections. Several methods have been used to estimate the PCE value, but based on the literature review, it is stated that the occupancy time method and the speed method are the most applicable for the unsignalized intersection conditions. This study aims to determine the most appropriate PCE value by comparing the occupancy time method and the speed method. To determine the most appropriate method in calculating the PCE of the unsignalized intersection, the calculation of the value of capacity and degree of saturation based on the method of speed and occupancy time is compared with the PCE value of MKJI. The result shows that the most suitable PCE value for unsigned intersections is the speed method. The recommended changes in the value of PCE are unmotorized vehicle PCE = 0.45, motorcycle PCE = 0.17, and large vehicle PCE = 2.2. Determining the correct PCE value is expected to provide accurate intersection performance results and determination of intersection problems.","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45955139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical Modelling of Wind Flow In Street Canyon Between High-Rise Buildings with Angle of Attack Modifications 考虑迎角变化的高层建筑间街道峡谷风流数值模拟

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.37220

D. Priambodo, Y. Sanjaya, P. Sarli, H. Setio

引用次数: 0

Factor Influencing User Intention To Support The Improvement of Online Taxi Regulation 影响用户意愿的因素支持网络出租车监管的改进

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.45558

T. A. Sitinjak

{"title":"Factor Influencing User Intention To Support The Improvement of Online Taxi Regulation","authors":"T. A. Sitinjak","doi":"10.14710/mkts.v28i2.45558","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.45558","url":null,"abstract":"Online-taxi are welcome as a new way in transportation. As a newcomer, there are still many weaknesses, particularly in service standard’s policy, causing passenger negative experiences. In order to minimize the issue, these study about improvement of online taxi policies was held. This research aims to analyzing the factors affecting user to support the improvement of online taxi policies according to passengers in Surabaya in Indonesia. Structural Equation Modelling-Partial Least Squares (SEM-PLS) was applied to estimate the relationship of research model. The results showed that the utilized mobile application, experience using an online taxi, and online taxi performance gave positive and significant influence to passenger satisfaction, where online taxi performance had the most positive and significant influence on passenger satisfaction. Next from the SEM-PLS method found that passenger satisfaction, positively and significant influencing the passenger intend to support the improvement of online taxi policies. Furthermore, the more positive passenger satisfaction the more positive the passengers support in online taxi policies improvement support the improvement of online taxi policies.","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41684732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Project Delays Caused by the Owner: Evaluation of Causal Factors and Contractor Claims 业主造成的工程延误:原因评估与承包商索赔

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.45875

J. Hatmoko, Raden Arya Pratistha, Arifin Hidayat

{"title":"Project Delays Caused by the Owner: Evaluation of Causal Factors and Contractor Claims","authors":"J. Hatmoko, Raden Arya Pratistha, Arifin Hidayat","doi":"10.14710/mkts.v28i2.45875","DOIUrl":"https://doi.org/10.14710/mkts.v28i2.45875","url":null,"abstract":"Delays in construction projects are generally understood to be the sole responsibility of the contractor. In fact, these delays can also be caused by factors that actually are the responsibility of the owner, resulting in project completion exceeding the contract target date. As a result, the contractors can be affected and suffer losses due to delays that are not actually their responsibility. This study intends to evaluate project delays caused by the owner and the delay claims submitted by the contractor. This research is exploratory and uses a mixed method of quantitative and qualitative approach. Data was collected through interviews and questionnaires with 80 respondents of the construction industry. The study found five main factors causing delays caused by the owner, including: land acquisition problems, changes in design and work instructions, payment problems, and unclear drawings in the contract documents. Of these delays, the majority (93%) were claimed by contractors, with an average claim success rate of 53%, and the compensation generally in the form of extension of project completion time (63%). The most frequently chosen claim dispute settlement method (93%) is non-litigation settlement through negotiation. This research has provided a comprehensive overview of delays due to owners and the contractor claims, and gives valuable lessons for the construction industry stakeholders to cope with delays in the future.","PeriodicalId":31880,"journal":{"name":"Media Komunikasi Teknik Sipil","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49057797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Relationship between Slope and Ramp Length on Toll Road Traffic Accidents 收费公路交通事故中斜坡与匝道长度的关系

Media Komunikasi Teknik Sipil Pub Date : 2023-01-30 DOI: 10.14710/mkts.v28i2.43665

Rezza Irawan Widiarto, B. H. Setiadji, B. Haryadi

引用次数: 0